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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
TRUMPF LASER - UND SYSTEMTECHNIK GMBH	JOHANN-MAUS-STRASSE 2 DITZINGEN D-71254

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Schulz, Joachim	Stuttgart, DE	57	633
# of filed Patents : 57 Total Citations : 633

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Patent Citation Ranking

• 13 Citation Count
• G02B Class

• 44.61 % this patent is cited more than
• 19 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2006/0050,392

Diffraction grating

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Abstract

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A diffraction grating for generating radially polarized laser radiation within a laser resonator is designed as a periodic or quasi-periodic, concentric or spiral grating with a grating period larger than the laser wavelength. The grating period and shape are selected in such a manner that the TM reflectance of the diffraction grating in a diffraction order corresponding to the laser wavelength is larger than the TE reflectivity of the diffraction grating in that diffraction order.

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Description

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